R900424111 DBDH20K1X/315力士樂Rexroth溢流閥
R900424111 DBDH20K1X/315力士樂Rexroth溢流閥
產品價格:¥650(人民幣)
  • 規格:DBDH20K1X/315
  • 發貨地:湖北武漢
  • 品牌:
  • 最小起訂量:1件
  • 免費會員
    會員級別:試用會員
    認證類型:企業認證
    企業證件:通過認證

    商鋪名稱:武漢百士自動化設備有限公司

    聯系人:雷鋒(小姐)

    聯系手機:

    固定電話:

    企業郵箱:2829871406@qq.com

    聯系地址:武漢市洪山區珞珈山路1號珞珈山大廈A2003

    郵編:

    聯系我時,請說是在線纜網上看到的,謝謝!

    商品詳情

      R900424111 DBDH20K1X/315力士樂Rexroth溢流閥

      溢流閥是一種液壓壓力控制閥。在液壓設備中主要起定壓溢流作用,穩壓,系統卸荷和安全保護作用。  定壓溢流作用:在定量泵節流調節系統中,定量泵提供的是恒定流量。當系統壓力增大時,會使流量需求減小。此時溢流閥開啟,使多余流量溢回油箱,保證溢流閥進口壓力,即泵出口壓力恒定(閥口常隨壓力波動開啟)。   
      穩壓作用:溢流閥串聯在回油路上,溢流閥產生背壓運動部件平穩性增加。   
      系統卸荷作用:在溢流閥的遙控口串接溢小流量的電磁閥,當電磁鐵通電時,溢流閥的遙控口通油箱,此時液壓泵卸荷。溢流閥此時作為卸荷閥使用。   
      安全保護作用:系統正常工作時,閥門關閉。只有負載超過規定的極限(系統壓力超過調定壓力)時開啟溢流,進行過載保護,使系統壓力不再增加(通常使溢流閥的調定壓力比系統工作壓力高10%~20%)。   
      實際應用中一般有:作卸荷閥用,作遠程調壓閥,作高低壓多級控制閥,作順序閥,用于產生背壓(串在回油路上)。   
      溢流閥一般有兩種結構:1、直動型溢流閥 。2、先導型溢流閥。   
      對溢流閥的主要要求:調壓范圍大,調壓偏差小,壓力振擺小,動作靈敏,過載能力大,噪聲小。


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